strong storms with heavy rain and some hail are likely from southern texas to the carolinas. the northeast and midwest will be dry except for thunderstorms in the ohio valley. in the west, isolated thunderstorms could cause flash flooding from southeastern california to montana. >>> and in sports, pre-olympics basketball in las vegas. team usa versus the dominican republic. the nba superstars dominated, including lebron james an alley oop on a pass from darrin williams. kevin durant's three-point jumper, part of his 24 of the night. camillo anthony's -- they doubled the dominican score. 113-59. >>> not all olympic competitors have two legs. some use four. for hundreds of years, for actually 100 years, the elegant horse and rider event called dressage has been part of the olympics. this year, even in london, the u.s. team can't escape entirely from politics at home. a horse linked to mitt romney and his wife will be in the mix. randall pinkston reports. >>ian abling used to be afraid of horses, but now the german-born rider and his horse& are training for their first olympic g